Experimental infection of the Sigmodon alstoni cotton rat with Caño Delgadito virus, a South American hantavirus.

Charles F Fulhorst Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA. cfulhors@utmb.edu

Search for other papers by Charles F Fulhorst in
Current site
Google Scholar
PubMed
Close
,
Mary L Milazzo Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA. cfulhors@utmb.edu

Search for other papers by Mary L Milazzo in
Current site
Google Scholar
PubMed
Close
,
Gloria Duno Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA. cfulhors@utmb.edu

Search for other papers by Gloria Duno in
Current site
Google Scholar
PubMed
Close
, and
Rosa Alba Salas Department of Pathology and Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555-0609, USA. cfulhors@utmb.edu

Search for other papers by Rosa Alba Salas in
Current site
Google Scholar
PubMed
Close
Restricted access

Forty-eight Sigmodon alstoni (Alston's cotton rat) were inoculated with Caño Delgadito (CDG) virus to extend our knowledge and understanding of the natural host relationships of the hantaviruses indigenous to the Americas. Infectious CDG virus was recovered from oropharyngeal secretions, urine, or solid tissues of nine of 12 animals killed on day 9 post-inoculation (PI), 14 of 24 animals killed on day 18 or 27 PI, and none of 12 animals killed on day 54 PI. In addition, virus-specific RNA was detected in the kidneys of six of the 12 animals killed on day 54 PI, and adult cotton rats inoculated with the kidneys of four animals killed on day 54 PI developed antibody to CDG virus. Collectively, the results indicate that CDG virus can establish lengthy (perhaps lifelong) infections in Alston's cotton rat and thus support the concept that S. alstoni is the principal host of CDG virus.

Author Notes

Save